JBL-PSWD115-sub-sm 维修电路原理图.pdf

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1、JBL Consumer Products Inc.250 Crossways Park DriveWoodbury, N.Y. 117971-800-336-4JBL in the USAA Harman International CompanyRev C 11/2000PSW-D115Powered SubwooferSERVICE MANUALRadioFans.CN 收音机爱 好者资料库SAFETY INFORMATIONWarningAny person performing service of this unit will be exposed tohazardous volt

2、ages and the risk of electric shock.It isassumed that any person who removes the amplifier fromthis cabinet has been properly trained in protecting againstavoidable injury and shock.Therefore, any serviceprocedures are to be performed by qualifiedservicepersonnel ONLY!CautionBefore the amplifier is

3、plugged in, be sure its rated voltagecorresponds to the voltage of the AC power source to beused.Incorrect voltage could cause damage to theamplifier when the AC power cord is plugged in. Do notexceed rated voltage by more than 10%: operation below90% of rated voltage will cause poor performance or

4、mayshut the unit off.Leakage/Resistance CheckBefore returning the unit to the customer, perform a leakageor resistance test as follows:Leakage Current. Connect the unit to its rated powersource. Using an ammeter, measure the current betweenthe neutral side of the AC supply and chassis ground of theu

5、nit under test. if leakage current exceeds 0.5mA, the unitis defective. Reverse the polarity of the AC supply andrepeat.Resistance. Measure the resistance from either side of theline cord to chassis ground. If it is less than 500k ohms, theunit is defective.WARNING! DO NOT return the unit to the cus

6、tomer if it failsone of these tests until the problem is located and corrected.Critical ComponentsAll components identified with the IEC symbolin the parts list and the schematic diagramdesignate components in which safety can beof special significance when replacing acomponent identified with. Use

7、only thereplacement parts designated in the parts list or parts withthe same rating of resistance, wattage or voltage.List of Safety Components RequiringExact Replacements(all parts POWER AMP PCB except TR2)F1Fuse SLO BLO 3.0A 250V T type.UL approvedPWRCORDSPT-2 or better with polarized plug, ULappr

8、oved wired with the hot side to fusedside. Use with factory replacement panelstrain relief only.TRX1Transformer. Use only factory replacement.C1, 22200uF, 100V electrolytic filter caps. Be surereplacement part is at least the sameworking voltage and capacitance rating.Also the lead spacing is import

9、ant.Incorrect spacing may cause prematurefailure due to internal cabinet pressure andvibration.C5100nF 50 20 mono-ceramic axialC64.7uf 100V 80/-20% Electrolytic radial NPTR2MPS A13 30V NPN(Darl)DBRBridge Rect 200V 4AR110M?0.25W 5% carbon filmR4a/b/c0.1?0.5W 5% metal filmR93.9k?5W 5% ceramic wirewoun

10、dR15100k?0.5W 5% carbon filmR16, 172.4k?5W 5% ceramic wirewoundR33, 50332?0.5W 5% carbon filmR52, 572.7k?5W 5% ceramic wirewoundR615.1k?2W 5% carbon filmS64AMIPower output module. Use only factoryreplacementFaceplateFaceplate. Use only factory replacementCMC1Use only factory replacementL1Use only fa

11、ctory replacementFuse PCBUse only factory replacementMain PCBUse only factory replacement2Amplifier/SubwooferPSW-D115RadioFans.CN 收音机爱 好者资料库3Amplifier/SubwooferPSW-D115TABLE OF CONTENTSSAFETY INFORMATION.2TABLE OF CONTENTS.3GENERAL SPECIFICATIONS.3PSW-D115 DETAILED SPECIFICATIONS .4PSW-D115 CONTROLS

12、 AND THEIR FUNCTION .6OPERATION.7SPEAKER CONNECTIONS.8TROUBLESHOOTING .10SERVICE BULLETIN JBL9903 - APRIL 1999.11PSW-D115 TEST SET UP AND PROCEDURE.12PSW-D115 POWER AMP MODULETESTING FLOW CHART.13CABINET EXPLODED VIEWS.14AMPLIFIER EXPLODED VIEW.15PSW-D115 MECHANICAL PARTS LIST .16PACKING EXPLODED VI

13、EWS.17PSW-D115 Version 3.21 PCB (Component Side).18PSW-D115 Version 3.21 PCB (Solder Side) .19PSW-D115 ELECTRICAL PARTS LIST.20PSW-D115 INTEGRATED CIRCUITS.22PSW-D115 SCHEMATIC 1 of 3.23PSW-D115 SCHEMATIC 2 of 3.24PSW-D115 SCHEMATIC 3 of 3.25GENERAL SPECIFICATIONSAmplifier Power (RMS). . . . . . . .

14、 350 wattsDriver 15. . . . . . . . . . . . . High-Polymer LaminateInputs . . . . . . . . . . . . . . . Line Level and Speaker LevelOutputs. . . . . . . . . . . . . . Line Level and Speaker LevelLow-Pass Frequency. . . . . . . . Continuously variable from 60Hz 180HzHigh-Pass Frequency . . . . . . . .

15、 Continuously variable from 60Hz 180Hzwhen using line-level inputs150Hz when using speaker-level inputsFrequency Response. . . . . . . . 25Hz low-pass crossover settingDimensions (H x W x D) . . . . . . . 20 x 20 x 21-3/4(508 x 508 x 552mm)Weight . . . . . . . . . . . . . . . 53 lbs/24.1 kgNOTE: CER

16、TAIN DRAWINGS AND CONNECTIONS WERE DEPICTED INCORRECTLY IN SOME EARLY COPIESOF THE PSW-D112/115 OWNERS MANUALS.THEY INCLUDE:1. DRAWING OF RCA LINE LEVEL INPUT/OUTPUT JACKS ON PAGES 3, 4, & 5; ALL CHANNELS - RIGHT SIDESHOULD BE “LINE OUT”, LEFT SIDE SHOULD BE “LINE IN”.2. CONNECTION ON PAGE 4 OF OWNE

17、RS MANUAL - SINGLE CABLE DIRECT INPUT (FOR DOLBY DIGITAL ORDTS SURROUND); SINGLE CABLE FROM YOUR RECEIVER/PROCESSOR SHOULD CONNECT TO THE “CENTERCHANNEL LINE IN” JACK ON YOUR SUBWOOFER.THOSE DRAWINGS ARE CORRECT IN THIS DOCUMENT, SEE PAGES 8 & 9.LINE VOLTAGEYes/NoHi/LoLineNom.TestLimitsUnitNotesUS 1

18、20vac/60HzYes108-132108-132120VrmsNormal OperationParameterSpecifi-cationUnitNom.TestLimitsConditionsNotesAmp SectionType (Class AB, D,other)DDn/aClass DPreferred.Sinkrequired for Class ABLoad Impedance(speaker)8Ohms8n/aNominalZ-curve requiredRated Output Power350Watts2021901 input drivenRFQ Spec.TH

19、D Rated Power0.3%194122k filter200W (PowerBandwidth 30-100Hz) 120 VACTHD 1 Watt0.5%0.0660.822k filterDC Offset80DF8050Measured acrossamplifier outputsInput SensitivityInput Frequency35HzNominal Freq.1 input drivenLine Input200mVrms2002dBTo Rated Power/ Vol Max1 input driven: APsource Z = 600 ohmsSpe

20、aker/Hi Level Input7Vrms6.9632dBTo Rated Power/ Vol Max1 input driven: APsource Z = 25 ohmsSignal to NoiseSNR-A-Weighted100dBA10290Relative to ratedoutputA-Weighting filterSNR-unweighted75dBr8570Relative to ratedoutput22k filterSNR rel.1W-unweighted (22k)65dBr6755relative to 1W Output22k filterResid

21、ual Noise Floor1.5mVrms11.5Volume max, using Audio Precision) , BW=22KHzResidual Noise Floor1.5mVrms(max)12Volume max, w/ A/P Swept BandpassMeasurement (Line freq.+ harmonics) ,BW 5K14Amplifier/SubwooferPSW-D115CABINET EXPLODED VIEWSSCREWS (12)SCREWS (8)FEET#200582CABINETNOT FORSALE15 WOOFER#200900A

22、MPLIFIERASSEMBLY#200950PSW-D115CABINET ASSEMBLYGRILLE with LOGO#200910GRILLE SOCKETS#200790VOLUME KNOB#70313VIDEO CONT.BUTTON#70314VIDEO CONT.SWITCH#7015215Amplifier/SubwooferPSW-D115AMPLIFIER EXPLODED VIEW5544332211AABBCCDDEEFFGGPSW-D115Amplifier AssemblyExploded View1213111614103518624157916Amplif

23、ier/SubwooferPSW-D115PSW-D115 MECHANICAL PARTS LISTRef. # Part NumberDescriptionQtyPSW-D115170302Knob on PSW-D1152270319PSW-D115 faceplate70313Volume Knob for PSW-D11570314Video contour button for PSW-D115370316Amp PCB support470151Power switch PSW-D115 Safety part70152Video contour switch PSW-D1155

24、70170#4x0.5 Screws to secure input jacks670171#10 x 1 Machine screw Bolts for trans.4770172#10 keps Nuts for transformer4870173#6 x 0.5Screws for fuse PCB2980125Transformer #4688 Safety part1080126250V, 3.0A, T type SLO BLO fuse Safety part1180118Preamp board, PSW-D115 Safety part1280119Power amp bo

25、ard PSW-D115 Safety part1380120High level input PCB PSW-D115 Safety part14108116High level 5way binding post(pr)15108322Six line RCA input jack16108323Single RCA input jack17Amplifier/SubwooferPSW-D115PACKING EXPLODED VIEWSPSW-D115WARRANTY CARDOWNERS MANUAL#200930 (120V)#331993-001TOP FOAM PAD#20092

26、2STYROFOAMSTICKS (4)#200923PSW-D115BOTTOMFOAM PAD#200921CARTON#200920PLASTIC BAG18Amplifier/SubwooferPSW-D115PSW-D115 Version 3.21 PCB (Component Side)Version 3.2 - Component Side Trace Layer5544332211AABBCCDDEEFFGG19Amplifier/SubwooferPSW-D115PSW-D115 Version 3.21 PCB (Solder Side)Version 3.2 - Sol

27、der Side Trace Layer as viewed through the board5544332211AABBCCDDEEFFGGPSW-D115 ELECTRICAL PARTS LISTPreamp Board Rev 8Safety Crossover4043620k?0.25W 10% Quad Lin Pot1Level404025k?0.25W 10% Single Linear Pot1HP out4045020k?0.25W 10% 3-gang Tandem Lin Pot1ResistorsR1404054.7k?0.25W 5% carbon film1R2

28、4043168k?0.25W 1% metal film1R340451137k?0.25W 1% metal film1R4404522.7k?0.25W 5% carbon film1R5, 64043820k?0.25W 1% metal film2R7, 11, 12, 1440108620?0.25W 5% carbon film619, 20R84045320k?0.25W 5% carbon film1R9, R10, 134043820k?0.25W 1% metal film3R154043456.2k?0.25W 1% metal film1R16404057.5k?0.2

29、5W 5% carbon film1R17, 184045320k?0.25W 5% carbon film2R214041233.2k?0.25W 1% metal film1R224045445.3k?0.25W 1% metal film1R23404054.7k?0.25W 1% metal film1R24404088.66k?0.25W 1% metal film1R2540455133k?0.25W 1% metal film1R274043420k?0.25W 1% metal film1R28404562.7k?0.25W 5% carbon film1R324040310k

30、?0.25W 1% metal film1R33, 34, 35, 36404406.8k?0.25W 5% carbon film4R37, 384043820k?0.25W 1% metal film2R4240457196k?0.25W 1% metal film1R43JumperR45404493.3k?0.25W 5% carbon film1R46, R4740415470k?0.25W 5% carbon film2R48404054.99k?0.25W 1% metal film1R49404406.8k?0.25W 5% carbon film1CapacitorsC130

31、502100nF 50V 20% Mono-ceramic axial1C23050147nF 50V 20% Mono-ceramic axial1C3, 43050147nF 50V 20% Mono-ceramic axial2CE33070847uF 16V 20% Electrolytic Radial1C5, 7, 930100330pF 50V 20% Mono-ceramic axial3C63070947nF 50V 20% Mono-ceramic axial1C8, 13, 14, 1530101220pF 50V 20% Mono-ceramic axial4C10,

32、11, 12, 1730502100nF 50V 20% Mono-ceramic axial4C1630504100nF 50V 10% Mono-ceramic axial1C18JumperC193050810nF 50V 10% Mono-ceramic axial1C20, 21, 22, 2330504100nF 50V 10% Mono-ceramic axial4C24, C253050147nF 50V 20% Mono-ceramic axial1C2630719220uF 35V +80/-20% Electrolytic RadialDiodesSignal LED50

33、109Bi-colour1Video LED50110Green1TransistorsTR260151MPS A13 30V NPN(Darl)1TR160154MPS A56 80V PNP1Integrated CircuitsU1, U260100LM324 Quad OpAmp +/-15%2U360101TLO 82 Dual OpAmp +/-15%1PSW-D115 Poweramp BoardResistorsR14070610M?0.25W 5% carbon film1R34045843.2k?0.25W 1% metal film1R4, 8, 25, 51404174

34、7k?0.25W 5% carbon film4R4a/b/c401050.1?0.5W 5% metal film1R5, R6404201k?0.25W 5% carbon film2R7404493.3k?0.25W 5% carbon film1R9404213.9k?5W 5% ceramic wirewound1R144040910k?0.25W 5% carbon film1R1540459100k?0.5W 5% carbon film1R16, R17404602.4k?5W 5% ceramic wirewound2R234074720k?1W 5% carbon film

35、1R244042723.7k?0.25W 1% metal film1R3340100332?0.5W 5% carbon film1R46401044.7?0.25W 5% carbon film1R4940746316k?0.25W 1% metal film1R5040100332?0.5W 5% carbon film1R52, R57404622.7k?5W 5% ceramic wirewound2R58, R59404054.7k?0.25W 5% carbon film2R604043168k?0.25W 5% carbon film1R61404635.1k?2W 5% ca

36、rbon film1CapacitorsC1, C2307102200uF 100V 80/-20% Electrolytic radial2C330505100nF 50V 20% mono-ceramic axial1C4, C530505100nF 50V 20% mono-ceramic axial2C6307094.7uF 100V 80/-20% Electrolytic radial NP120Amplifier/SubwooferPSW-D115Ref. #Part NumberDescriptionQtyRef. #Part NumberDescriptionQtyC7a/b

37、30521100nF 250V 20% Metal Polyester Rad1C830502100nF 50V 20% mono-ceramic axial1C2130522100nF 250V 20% mono-ceramic axial1C2430523330nF 100V 80/-20% mono-ceramic axial1C263050810nF 50V 10% mono-ceramic axial1C27305133.3nF 50V 10% mono-ceramic axial1C293071122uF 35V 80/-20% Electrolytic radial1C31305

38、11330nF 50V 20% mono-ceramic axial1CW, CZ30505100nF 100V 20% mono-ceramic axial1DiodesD1501081N5270B 90V 5% .5W1D2, 4501041N4148 100V .1A2D6501031N5234B 6.2V 5% .5W1D9, 10501051N4744A 15V 5% 1W2DBR50100Bridge Rect 200V 4A1TransistorsQ3601532N3904 40V NPN1Q4, 5601552N5401 PNP2Integrated CircuitsU4601

39、01TL082 Dual Op Amp160302S64AMI Power Amp module1Safety InductorsCMC180100mc4438 Safety part1L180121mc4642 Safety part1L2, L3, L480122Ferrite Bead3PSW-D115 High Level Input/Output BoardR1 L, R1 C40406100k?0.25W 5% carbon film6R1 R, R3 L,R3 C, R3 RR2 L, R2 C,404054.7k?0.25W 5% carbon film3R2 RC1, 2,

40、330704220uF 50W 20% Electrolytic Radial3Revisionsdateissuedetails1/5/19992R58A(4.64k? ) to 4.53k?1/20/19994“R20(1%MF) to 5% CF, R15A(.5W) to .25W,R4a,b,c (1W) to .5W”2/22/19996“R42 to 194k? , R46(1000k? ) to 470k, C21/CW/CZto poly film caps”1/6/19997“R1(4.7k? ) to 7.5k? , CE1/CE2 removed,C21(20%)to

41、10%. ” “Power amp. R1(8.2m) to 10M,C3(47n)to 100n, D1(1N4763A) to 1N5270B” High level board.C1/2/3 renamed CE4/5/67/15/19998“R1 (7.5k? ) to 4.7k? , R16(4.7k? ) to 7.5k? .”21Amplifier/SubwooferPSW-D115Ref. #Part NumberDescriptionQty22Amplifier/SubwooferPSW-D115PSW-D115 INTEGRATED CIRCUITSU1 - (LM324)

42、 Quad Op AmpU2, U3, U4 - (TLO 82) Dual Op Amp15263741410139128111243-+OUT 4OUT 1IN 4-IN 1-IN 4+IN 1+GNDV+IN 3+IN 2+IN 3-IN 2-OUT 3OUT 22Base3 Collector1 Emitter123Q4, Q5, TR1 - (MPS A56)(2N5401)80V PNP Transistor2Base2Base3 Collector3 Collector1 Emitter1 Emitter112233Q3 - (2N3904)40V NPN TransistorQ

43、1, TR2 - (MPS A13)30V NPN(Darl) TransistorS53AMI/S64AMI - Power Amp module SAFETY PART15161718192021222324252627281234567891011121314+6Vv+O/PV-+15VSDFRI/PGND-15V+6Vv+O/PV-+15VSDFRI/PGND-15VNOTE: THE FOLLOWING PROCEDURES MUST BE FOLLOWEDWHEN INSTALLING NEW S53AMI/S64AMI AMP MODULES:FAILURE TO FOLLOW

44、ONE OR MORE OF THESE STEPS MAYRESULT IN THE INSTANT DESTRUCTION OF THE MODULE WHENPOWERED UP.Align white indent marker on Amp Module with indent marker on mainPCB; alternately observe position of label on the top of the module;incorrectly replacing the Module 180 in the PCB slot will result in itsde

45、struction.All AC powered test instruments (meters, oscilloscopes, etc.) musthave a floating ground, i.e. be connected to an isolation transformer.Align and position the Amp Module before soldering.Attach the amp Module with the mounting screwsorpowering up.Use only rosin-core or non-acid core solder

46、; thoroughly de-flux thesurfaces after soldering.If the new S53AMI/S64AMI Amp Module has larger mounting hole(s) inthe case, and the stock screws no longer will fit, and screws of theproper type cannot be obtained locally order:(2) part# 60301S (screws)(2) part# 60301N (nuts)?before soldering1)2)3)4

47、)5)12348765AB-+B OUTPUTAOUTPUTB -INPUTA-INPUTB +INPUTA+INPUTV-V+23Amplifier/SubwooferPSW-D115PSW-D115 SCHEMATIC 1 of 3PWS-D115Schematic 1 of 35544332211AABBCCDDEEFFGG24Amplifier/SubwooferPSW-D115PSW-D115 SCHEMATIC 2 of 3PWS-D115Schematic 2 of 3EEDDCCBBAA7766554433221125Amplifier/SubwooferPSW-D115PSW-D115 SCHEMATIC 3 of 3PWS-D115Schematic 3 of 35544332211AABBCCDDEEFFGG3.0A